Immunogen sequence: FVWMPALLPV ASRLLLLPRV LLTMASGSPP TQPSPASDSG SGYVPGSVSA AFVTCPNEKV AKEIARAVVE KRLAACVNLI PQITSIYEWK GKIEEDSEVL MMIKTQSSLV PALTDFVRSV HPYEVAEVIA LPVEQG. May forms part of a complex of membrane proteins attached to acetylcholinesterase (